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directsoundsrc: Implement volume and mute

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Using the MixerAPI as IDirectSoundCaptureBuffer doesn't implement volume
control.

https://bugzilla.gnome.org/show_bug.cgi?id=744383
This commit is contained in:
Victor Toso 2015-03-31 10:53:55 +01:00 committed by Julien Isorce
parent 4504356dda
commit 1b564bfb8b
4 changed files with 279 additions and 5 deletions
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5
configure.ac
View file

@ -1397,12 +1397,13 @@ AG_GST_CHECK_FEATURE(DIRECTSOUND, [DirectSound], directsoundsrc, [
save_LIBS="$LIBS"
CFLAGS="$CFLAGS $DIRECTX_CFLAGS"
LDFLAGS="$LDFLAGS $DIRECTX_LDFLAGS"
LIBS="$LIBS -ldsound -ldxerr9 -luser32"
LIBS="$LIBS -lwinmm -ldsound -ldxerr9 -luser32"
AC_MSG_CHECKING(for DirectSound LDFLAGS)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <windows.h>
#include <dxerr9.h>
#include <dsound.h>
#include <mmsystem.h>
]], [[
DXGetErrorString9 (0);
DirectSoundCreate(NULL, NULL, NULL);
@ -1416,7 +1417,7 @@ AG_GST_CHECK_FEATURE(DIRECTSOUND, [DirectSound], directsoundsrc, [
if test "x$HAVE_DIRECTSOUND" = "xyes"; then
dnl this is much more than we want
DIRECTSOUND_LIBS="-ldsound -ldxerr9 -luser32"
DIRECTSOUND_LIBS="-lwinmm -ldsound -ldxerr9 -luser32"
AC_SUBST(DIRECTX_CFLAGS)
AC_SUBST(DIRECTX_LDFLAGS)
AC_SUBST(DIRECTSOUND_LIBS)

2
sys/directsound/Makefile.am
View file

@ -5,7 +5,7 @@ libgstdirectsoundsrc_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS) $(DIRECTX_CFLAGS)
libgstdirectsoundsrc_la_LIBADD = \
$(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VERSION) \
$(DIRECTX_LDFLAGS) -ldsound
$(DIRECTX_LDFLAGS) $(DIRECTSOUND_LIBS)
libgstdirectsoundsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstdirectsoundsrc_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)

267
sys/directsound/gstdirectsoundsrc.c
View file

@ -73,18 +73,22 @@
#include <windows.h>
#include <dsound.h>
#include <mmsystem.h>
GST_DEBUG_CATEGORY_STATIC (directsoundsrc_debug);
#define GST_CAT_DEFAULT directsoundsrc_debug
/* defaults here */
#define DEFAULT_DEVICE 0
#define DEFAULT_MUTE FALSE
/* properties */
enum
{
PROP_0,
PROP_DEVICE_NAME
PROP_DEVICE_NAME,
PROP_VOLUME,
PROP_MUTE
};
static HRESULT (WINAPI * pDSoundCaptureCreate) (LPGUID,
@ -114,6 +118,18 @@ static void gst_directsound_src_dispose (GObject * object);
static guint gst_directsound_src_delay (GstAudioSrc * asrc);
static gboolean gst_directsound_src_mixer_find (GstDirectSoundSrc * dsoundsrc,
MIXERCAPS * mixer_caps);
static void gst_directsound_src_mixer_init (GstDirectSoundSrc * dsoundsrc);
static gdouble gst_directsound_src_get_volume (GstDirectSoundSrc * dsoundsrc);
static void gst_directsound_src_set_volume (GstDirectSoundSrc * dsoundsrc,
gdouble volume);
static gboolean gst_directsound_src_get_mute (GstDirectSoundSrc * dsoundsrc);
static void gst_directsound_src_set_mute (GstDirectSoundSrc * dsoundsrc,
gboolean mute);
static GstStaticPadTemplate directsound_src_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
@ -124,7 +140,9 @@ GST_STATIC_PAD_TEMPLATE ("src",
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]"));
#define gst_directsound_src_parent_class parent_class
G_DEFINE_TYPE (GstDirectSoundSrc, gst_directsound_src, GST_TYPE_AUDIO_SRC);
G_DEFINE_TYPE_WITH_CODE (GstDirectSoundSrc, gst_directsound_src,
GST_TYPE_AUDIO_SRC, G_IMPLEMENT_INTERFACE (GST_TYPE_STREAM_VOLUME, NULL)
);
static void
gst_directsound_src_dispose (GObject * object)
@ -193,6 +211,18 @@ gst_directsound_src_class_init (GstDirectSoundSrcClass * klass)
(gobject_class, PROP_DEVICE_NAME,
g_param_spec_string ("device-name", "Device name",
"Human-readable name of the sound device", NULL, G_PARAM_READWRITE));
g_object_class_install_property
(gobject_class, PROP_VOLUME,
g_param_spec_double ("volume", "Volume",
"Volume of this stream", 0.0, 1.0, 1.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(gobject_class, PROP_MUTE,
g_param_spec_boolean ("mute", "Mute",
"Mute state of this stream", DEFAULT_MUTE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static GstCaps *
@ -222,6 +252,12 @@ gst_directsound_src_set_property (GObject * object, guint prop_id,
src->device_name = g_strdup (g_value_get_string (value));
}
break;
case PROP_VOLUME:
gst_directsound_src_set_volume (src, g_value_get_double (value));
break;
case PROP_MUTE:
gst_directsound_src_set_mute (src, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -241,6 +277,12 @@ gst_directsound_src_get_property (GObject * object, guint prop_id,
case PROP_DEVICE_NAME:
g_value_set_string (value, src->device_name);
break;
case PROP_VOLUME:
g_value_set_double (value, gst_directsound_src_get_volume (src));
break;
case PROP_MUTE:
g_value_set_boolean (value, gst_directsound_src_get_mute (src));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -260,6 +302,11 @@ gst_directsound_src_init (GstDirectSoundSrc * src)
g_mutex_init (&src->dsound_lock);
src->device_guid = NULL;
src->device_name = NULL;
src->mixer = NULL;
src->control_id_mute = -1;
src->control_id_volume = -1;
src->volume = 100;
src->mute = FALSE;
}
@ -326,6 +373,7 @@ gst_directsound_src_open (GstAudioSrc * asrc)
goto capture_object;
}
gst_directsound_src_mixer_init (dsoundsrc);
return TRUE;
capture_function:
@ -374,6 +422,9 @@ gst_directsound_src_close (GstAudioSrc * asrc)
/* Close library */
FreeLibrary (dsoundsrc->DSoundDLL);
if (dsoundsrc->mixer)
mixerClose (dsoundsrc->mixer);
return TRUE;
}
@ -661,3 +712,215 @@ gst_directsound_src_reset (GstAudioSrc * asrc)
GST_DSOUND_UNLOCK (dsoundsrc);
}
/* If the PROP_DEVICE_NAME is set, find the mixer related to device;
* otherwise we get the default input mixer. */
static gboolean
gst_directsound_src_mixer_find (GstDirectSoundSrc * dsoundsrc,
MIXERCAPS * mixer_caps)
{
MMRESULT mmres;
guint i, num_mixers;
num_mixers = mixerGetNumDevs ();
for (i = 0; i < num_mixers; i++) {
mmres = mixerOpen (&dsoundsrc->mixer, i, 0L, 0L,
MIXER_OBJECTF_MIXER | MIXER_OBJECTF_WAVEIN);
if (mmres != MMSYSERR_NOERROR)
continue;
mmres = mixerGetDevCaps ((UINT) dsoundsrc->mixer,
mixer_caps, sizeof (MIXERCAPS));
if (mmres != MMSYSERR_NOERROR) {
mixerClose (dsoundsrc->mixer);
continue;
}
/* Get default mixer */
if (dsoundsrc->device_name == NULL) {
GST_DEBUG ("Got default input mixer: %s", mixer_caps->szPname);
return TRUE;
}
if (g_strstr_len (dsoundsrc->device_name, -1, mixer_caps->szPname) != NULL) {
GST_DEBUG ("Got requested input mixer: %s", mixer_caps->szPname);
return TRUE;
}
/* Wrong mixer */
mixerClose (dsoundsrc->mixer);
}
GST_DEBUG ("Can't find input mixer");
return FALSE;
}
static void
gst_directsound_src_mixer_init (GstDirectSoundSrc * dsoundsrc)
{
gint i, k;
gboolean found_mic;
MMRESULT mmres;
MIXERCAPS mixer_caps;
MIXERLINE mixer_line;
MIXERLINECONTROLS ml_ctrl;
PMIXERCONTROL pamixer_ctrls;
if (!gst_directsound_src_mixer_find (dsoundsrc, &mixer_caps))
goto mixer_init_fail;
/* Find the MIXERLINE related to MICROPHONE */
found_mic = FALSE;
for (i = 0; i < mixer_caps.cDestinations && !found_mic; i++) {
gint j, num_connections;
mixer_line.cbStruct = sizeof (mixer_line);
mixer_line.dwDestination = i;
mmres = mixerGetLineInfo ((HMIXEROBJ) dsoundsrc->mixer,
&mixer_line, MIXER_GETLINEINFOF_DESTINATION);
if (mmres != MMSYSERR_NOERROR)
goto mixer_init_fail;
num_connections = mixer_line.cConnections;
for (j = 0; j < num_connections && !found_mic; j++) {
mixer_line.cbStruct = sizeof (mixer_line);
mixer_line.dwDestination = i;
mixer_line.dwSource = j;
mmres = mixerGetLineInfo ((HMIXEROBJ) dsoundsrc->mixer,
&mixer_line, MIXER_GETLINEINFOF_SOURCE);
if (mmres != MMSYSERR_NOERROR)
goto mixer_init_fail;
if (mixer_line.dwComponentType == MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE
|| mixer_line.dwComponentType == MIXERLINE_COMPONENTTYPE_SRC_LINE)
found_mic = TRUE;
}
}
if (found_mic == FALSE) {
GST_DEBUG ("Can't find mixer line related to input");
goto mixer_init_fail;
}
/* Get control associated with microphone audio line */
pamixer_ctrls = g_malloc (sizeof (MIXERCONTROL) * mixer_line.cControls);
ml_ctrl.cbStruct = sizeof (ml_ctrl);
ml_ctrl.dwLineID = mixer_line.dwLineID;
ml_ctrl.cControls = mixer_line.cControls;
ml_ctrl.cbmxctrl = sizeof (MIXERCONTROL);
ml_ctrl.pamxctrl = pamixer_ctrls;
mmres = mixerGetLineControls ((HMIXEROBJ) dsoundsrc->mixer,
&ml_ctrl, MIXER_GETLINECONTROLSF_ALL);
/* Find control associated with volume and mute */
for (k = 0; k < mixer_line.cControls; k++) {
if (strstr (pamixer_ctrls[k].szName, "Volume") != NULL) {
dsoundsrc->control_id_volume = pamixer_ctrls[k].dwControlID;
dsoundsrc->dw_vol_max = pamixer_ctrls[k].Bounds.dwMaximum;
dsoundsrc->dw_vol_min = pamixer_ctrls[k].Bounds.dwMinimum;
} else if (strstr (pamixer_ctrls[k].szName, "Mute") != NULL) {
dsoundsrc->control_id_mute = pamixer_ctrls[k].dwControlID;
} else {
GST_DEBUG ("Control not handled: %s", pamixer_ctrls[k].szName);
}
}
g_free (pamixer_ctrls);
if (dsoundsrc->control_id_volume < 0 && dsoundsrc->control_id_mute < 0)
goto mixer_init_fail;
/* Save cChannels information to properly changes in volume */
dsoundsrc->mixerline_cchannels = mixer_line.cChannels;
return;
mixer_init_fail:
GST_WARNING ("Failed to get Volume and Mute controls");
if (dsoundsrc->mixer != NULL) {
mixerClose (dsoundsrc->mixer);
dsoundsrc->mixer = NULL;
}
}
static gdouble
gst_directsound_src_get_volume (GstDirectSoundSrc * dsoundsrc)
{
return (gdouble) dsoundsrc->volume / 100;
}
static gboolean
gst_directsound_src_get_mute (GstDirectSoundSrc * dsoundsrc)
{
return dsoundsrc->mute;
}
static void
gst_directsound_src_set_volume (GstDirectSoundSrc * dsoundsrc, gdouble volume)
{
MMRESULT mmres;
MIXERCONTROLDETAILS details;
MIXERCONTROLDETAILS_UNSIGNED details_unsigned;
glong dwvolume;
if (dsoundsrc->mixer == NULL || dsoundsrc->control_id_volume < 0) {
GST_WARNING ("mixer not initialized");
return;
}
dwvolume = volume * dsoundsrc->dw_vol_max;
dwvolume = CLAMP (dwvolume, dsoundsrc->dw_vol_min, dsoundsrc->dw_vol_max);
GST_DEBUG ("max volume %ld | min volume %ld",
dsoundsrc->dw_vol_max, dsoundsrc->dw_vol_min);
GST_DEBUG ("set volume to %f (%ld)", volume, dwvolume);
details.cbStruct = sizeof (details);
details.dwControlID = dsoundsrc->control_id_volume;
details.cChannels = dsoundsrc->mixerline_cchannels;
details.cMultipleItems = 0;
details_unsigned.dwValue = dwvolume;
details.cbDetails = sizeof (MIXERCONTROLDETAILS_UNSIGNED);
details.paDetails = &details_unsigned;
mmres = mixerSetControlDetails ((HMIXEROBJ) dsoundsrc->mixer,
&details, MIXER_OBJECTF_HMIXER | MIXER_SETCONTROLDETAILSF_VALUE);
if (mmres != MMSYSERR_NOERROR)
GST_WARNING ("Failed to set volume");
else
dsoundsrc->volume = volume * 100;
}
static void
gst_directsound_src_set_mute (GstDirectSoundSrc * dsoundsrc, gboolean mute)
{
MMRESULT mmres;
MIXERCONTROLDETAILS details;
MIXERCONTROLDETAILS_BOOLEAN details_boolean;
if (dsoundsrc->mixer == NULL || dsoundsrc->control_id_mute < 0) {
GST_WARNING ("mixer not initialized");
return;
}
details.cbStruct = sizeof (details);
details.dwControlID = dsoundsrc->control_id_mute;
details.cChannels = dsoundsrc->mixerline_cchannels;
details.cMultipleItems = 0;
details_boolean.fValue = mute;
details.cbDetails = sizeof (MIXERCONTROLDETAILS_BOOLEAN);
details.paDetails = &details_boolean;
mmres = mixerSetControlDetails ((HMIXEROBJ) dsoundsrc->mixer,
&details, MIXER_OBJECTF_HMIXER | MIXER_SETCONTROLDETAILSF_VALUE);
if (mmres != MMSYSERR_NOERROR)
GST_WARNING ("Failed to set mute");
else
dsoundsrc->mute = mute;
}

10
sys/directsound/gstdirectsoundsrc.h
View file

@ -52,6 +52,7 @@
#include <gst/audio/gstaudiosrc.h>
#include <windows.h>
#include <dsound.h>
#include <mmsystem.h>
/* add here some headers if needed */
@ -91,6 +92,15 @@ struct _GstDirectSoundSrc
guint buffer_time;
guint latency_time;
HMIXER mixer;
DWORD mixerline_cchannels;
gint control_id_volume;
gint control_id_mute;
glong dw_vol_max;
glong dw_vol_min;
glong volume;
gboolean mute;
GUID *device_guid;
char *device_name;